var TeaAndMilkGirl = function(name) {
    this.name = name;
};
var Ceo = function(girl) {
    this.girl = girl;
    this.sendMarriageRing = function(ring) {
        console.log("Hi " + this.girl.name + ", ceo送你一个礼物：" + ring);
    }
}
var ProxyObj = function(girl) {
    this.girl = girl;
    this.sendGift = function(gift) {
        (new Ceo(this.girl)).sendMarriageRing(gift);
    }
}
var proxy = new ProxyObj(new TeaAndMilkGirl("奶茶妹"));
proxy.sendGift("结婚戒指");